Question

PHYSICS
1. Read the case study and answer the following questions.
(1 X 454)
Yash and Rohan went to Mathura through Yamuna Expressway. Yash started the car and accelerated
uniformly such that the car was running at 90km/hr within 10sec. Rohan stopped him and told him that
over speeding on road was a straight invitation to life staking situation. Yash stopped the car for 5 mins
and realized his mistake. Though Yash wanted the adventure of speeding but he was convinced by
Rohan.
i) The acceleration of car after 10sec is
a. 52.5m/s2
b.. 25m/s
c. 9 Km/h?
d. None of these
i) Nature of (V-1) graph for the first 10 sec will be ....
a. Straight line passing through origin
c. Parallel to velocity axis
b. Parallel to time axis
d. None of above
lii) The distance covered in the first 10 seconds is
a. 6.25m
.b. 32.25m
c. 900m
d. None of above
iv) Distance covered in next 5 minutes is
a.. Zero
b. 32.25m
c. 322.5m
d. 90m​

Answer 1

Answer:

its so long so make it a little short

Explanation:

understand right

Answer 2

Answer:

Yash and Rohan went to mathura extract questions of class 9 physics chapter 8 motion